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Weather extremes
How extreme does Mount Isa's weather get?
The hottest, coldest, wettest and snowiest days Mount Isa has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Mount Isa has recorded — each shown against what a normal day that time of year looks like.
That is about 16°F hotter than a normal January afternoon in Mount Isa (typical high near 98°F).
The three most extreme on record
About 18°F colder than a normal July night in Mount Isa (typical low near 46°F).
The three most extreme on record
More rain in a single day than Mount Isa usually gets in the whole month of January (typical January total about 4.8 in).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Mount Isa's record heat sits well above even a hot day for the season — January's 114°F is about 16°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 17 years of daily observations at Mount Isa Mine, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.